The1991Camel GT Championship andExxon Supreme GT Series seasons were the 21st season of theIMSA GT Championshipauto racing series. It was for GTP and Lights classes of prototypes, as well asGrand Tourer-style racing cars which ran in the GTO and GTU classes, as well as a tube-frame All-American Challenge (AAC) class during select rounds. It began February 2, 1991, and ended October 13, 1991, after nineteen rounds.

The GT and Prototype classes did not participate in all events, nor did they race together at shorter events. The AAC class only participated in GT-only events. Races marked withAll had all classes on track at the same time.

Rnd	Circuit	GTP Winning Team	Lights Winning Team	GTO Winning Team	GTU Winning Team	Results
		GTP Winning Drivers	Lights Winning Drivers	GTO Winning Drivers	GTU Winning Drivers
1	Daytona	#7Joest Racing	#48Comptech Acura	#15Whistler Mustang	#82 Greer Racing	Results
		Frank Jelinski "John Winter" Henri Pescarolo Bob Wollek Hurley Haywood	Parker Johnstone Steve Cameron Doug Peterson Bob Lesnett	Mark Martin Wally Dallenbach Jr. Robby Gordon	Dick Greer Al Bacon Mike Mees Peter Uria
2	Palm Beach	#2Bud Light Jaguar	#48Comptech Racing	#62Mazda Motorsports	#07 Full Time Racing	Results
		Davy Jones	Parker Johnstone	Peter Halsmer	John Fergus
3	Sebring	#83Nissan Performance	#8 Essex Racing	#15Roush Racing	#95 Leitzinger Racing	Results
		Geoff Brabham Gary Brabham Derek Daly	Charles Morgan Jim Pace	Robby Gordon Max Jones	Bob Leitzinger David Loring
4	Miami	#3Bud Light Jaguar	#48Comptech Racing	#62Mazda Motorsports	#96 Leitzinger Racing	Results
		Raul Boesel	Parker Johnstone	Peter Halsmer	David Loring
5	Long Beach	Did not participate	Did not participate	#75 Cunningham Racing	#07 Full Time Racing	Results
				Steve Millen	John Fergus
6	Road Atlanta	#2Bud Light Jaguar	#48Comptech Racing	Did not participate	Did not participate	Results
		Davy Jones	Parker Johnstone
7	Heartland	#84Nissan Performance	#48Comptech Racing	Did not participate	Did not participate	Results
		Chip Robinson	Parker Johnstone
8	Mosport	Did not participate	Did not participate	#62Mazda Motorsports	#07 Full Time Racing	Results
				Pete Halsmer	John Fergus
9	Lime Rock	#84Nissan Performance	#19 David Tennyson	Did not participate	Did not participate	Results
		Chip Robinson	David Tennyson Ken Knott
10	Mid-Ohio	#2Bud Light Jaguar	#48Comptech Racing	#76 Cunningham Racing	#07 Full Time Racing	Results
		Davy Jones	Parker Johnstone	Jeremy Dale	John Fergus
11	New Orleans	#64MTI Racing	#19 David Tennyson	#63Mazda Motorsports	#96 Leitzinger Racing	Results
		Wayne Taylor	David Tennyson	Price Cobb	David Loring
12	Watkins Glen	#99All American Racers	#48Comptech Racing	Did not participate	Did not participate	Results
		Juan Manuel Fangio II	Parker Johnstone
13	Laguna Seca	#2Bud Light Jaguar	#80 Bieri Racing	#63Mazda Motorsports	#07 Full Time Racing	Results
		Davy Jones	Ruggero Melgrati	Price Cobb	Jeff Purner
14	Portland	#99All American Racers	#80 Bieri Racing	#9Roush Racing	#00 Full Time Racing	Results
		Juan Manuel Fangio II	Ruggero Melgrati	Robby Gordon	John Fergus
15	Road America	#2Bud Light Jaguar	#9 Essex Racing Team	#75 Cunningham Racing	#00 Full Time Racing	Results
		Davy Jones	Jim Pace	Steve Millen	John Fergus
16	Road Atlanta	Did not participate	Did not participate	#9Roush Racing	#07 Full Time Racing	Results
				Robby Gordon	Jeff Purner
17	Watkins Glen	Did not participate	Did not participate	#75 Cunningham Racing	#00 Full Time Racing	Results
				Steve Millen Jeremy Dale	John Fergus
18	Lime Rock	Did not participate	Did not participate	#75 Cunningham Racing	#00 Full Time Racing	Results
				Steve Millen	John Fergus
19	Del Mar	#99All American Racers	#49Comptech Racing	#9Roush Racing	#95 Leitzinger Racing	Results
		Juan Manuel Fangio II	Parker Johnstone	Robby Gordon	Bob Leitzinger

Place	Driver	Entrant	Total
1	Geoff Brabham	Nissan Performance Technology	175
2	Chip Robinson	Nissan Performance Technology	170
3	Davy Jones	Bud Light Jaguar Racing	158
4	Wayne Taylor	MTI Racing	117
5	Juan Manuel Fangio II	All American Racers	107
6	Raul Boesel	Bud Light Jaguar Racing	72
7	Tom Kendall	Jim Miller Racing MTI Racing	69
8	Brian Bonner	Tom Milner Racing	54
9	Bernd Schneider	Joest Racing	49
10	Derek Daly	Nissan Performance Technology	48
11	Henri Pescarolo	Joest Racing	44
12	Frank Jelinski	Joest Racing	43
13	Rocky Moran	All American Racers	41
14	Jim Adams	Dyson Racing Hotchkis Racing	40
15	James Weaver	Dyson Racing John Shapiro Racing	36
16	Chris Cord	Dyson Racing Hotchkis Racing	32
17	Scott Sharp	Tom Milner Racing	30
18=	Giampiero Moretti	Momo-Gebhardt Racing	29
	Jeff Purner	Tom Milner Racing	29
20	Bob Earl	Nissan Performance Technology	28
etc.

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• World Sports Racing Prototypes – 1991 IMSA GT Championship results

• IMSA GT Championship seasons
• 1991 in American motorsport

• Articles with short description
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• Use mdy dates from February 2025